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產(chǎn)品簡介
ABB REF543KM129BAAA
ABB REF543KM129BAAA
產(chǎn)品價(jià)格:¥52
上架日期:2023-11-02 12:06:31
產(chǎn)地:進(jìn)口
發(fā)貨地:廈門
供應(yīng)數(shù)量:不限
最少起訂:1臺
瀏覽量:118
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詳細(xì)說明
    變頻器對微機(jī)控制板的干擾 在使用變頻器的控制系統(tǒng)中,多采用微機(jī)或者PLC進(jìn)行控制,在系統(tǒng)設(shè)計(jì)或者改造過程中,一定要注意變頻器對微機(jī)控制板的干擾問題。由于用戶自己設(shè)計(jì)的微機(jī)控制板一般工藝水平差,不符合EMC國際標(biāo)準(zhǔn),在采用變頻器后,產(chǎn)生的傳導(dǎo)和輻射干擾,往往導(dǎo)致控制系統(tǒng)工作異常,因此需要采取必要措施。 1良好的接地。電機(jī)等強(qiáng)電控制系統(tǒng)的接地線必須通過接地匯流排可靠接地,微機(jī)控制板的屏蔽地,好單獨(dú)接地。對于某些干擾嚴(yán)重的場合,建議將傳感器、I/O接口屏蔽層與控制板的控制地相連。 2給微機(jī)控制板輸入電源加裝EMI濾波器、共模電感、高頻磁環(huán)等,成本低。
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